Cataplexy is a brain disorder that causes a sudden and temporary loss of muscle tone and control, according to the National Institute of Neurological Disorders and Stroke (NINDS). The episodes (or “cataplectic attacks”) in most cases are triggered by strong or extreme emotions, including anger, stress, anxiety, fear, a depressed mood, joy, and laughter. The vast majority… Continue reading What Is Cataplexy? Symptoms, Causes, Diagnosis, Treatment, and Prevention